/*******************************************************************************
 * Copyright 2010 DemandSpot
 * 
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 * 
 *   http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 ******************************************************************************/
package com.demandspot.client.table;

import com.google.gwt.user.client.ui.HasHorizontalAlignment;
import com.google.gwt.user.client.ui.Widget;
import com.google.gwt.user.client.ui.HasHorizontalAlignment.HorizontalAlignmentConstant;

public abstract class CellRenderer<RowModel, CompareValue extends Comparable<CompareValue>> {
	public static final String FILTER_SEPARATOR = ";";
	
	public boolean isHTML() {
		return false;
	}
	
	public Widget getDisplayedWidget(RowModel rowModel) {
		return null;
	}
	
	public HorizontalAlignmentConstant getHorizontalAlignment() {
		return HasHorizontalAlignment.ALIGN_DEFAULT;
	}
	
	public boolean isSortable() {
		return true;
	}
	
	public int getWidth() {
		return -1;
	}
	
	public FilterOperation[] getFilterOperations() {
		return null;
	}
	
	public CompareValue getCompareValue(String stringValue) throws IllegalArgumentException {
		return null;
	}
	
	public String getName() {
		return "";
	}
	
	public boolean addLeftBorder() {
		return false;
	}
	
	public boolean addRightBorder() {
		return false;
	}
	
	public abstract CompareValue getCompareValue(RowModel rowModel);
	public abstract String getDisplayedString(RowModel rowModel);
}
